نتایج جستجو برای: spatial system
تعداد نتایج: 2512527 فیلتر نتایج به سال:
According to urban environment complexity and dynamism and need to targeted land use change, incorporation GIS and PSS in the form of Spatial Planning Support Systems is inevitable. The aim of this study is to develop a spatial planning support system for urban land uses change (ULCMS), such that planners can enter expert knowledge in the form of desired criteria and weights and see their influ...
Background: Extremely low frequency (0-300 Hz) fields from power lines, electronic equipment and medical devices, have been reported to produce various biological effects. Global system for mobile (GSM) is most largely used in everybody's life. This system utilizes a low frequency band as well as a high frequency range of electromagnetic field. This study investigated the effects of 217 Hz elec...
Background: The nuclear medicine systems are very sensitive to the variation of the magnetic field. Photomultiplier tubes amplify low energy light signal and change it into electrical current. Low magnetic field can produce some variations in uniformity and special resolution of SPECT systems. In this study, we tried to evaluate the effects of magnetic field on the function of nuclear medic...
particulate and gaseous emissions of pollutants from industries and auto-exhausts are responsible for rising discomfort, aggravates respiratory and cardiovascular. in this study, a system for air quality information in tehran city has been developed, using an online web-based geographic information system. this web-based gis application allows users to recognize areas with a potential increase ...
Spatially disoriented adults flexibly conjoin geometric information (macroscopic shape) and nongeometric information (e.g., the color of a wall) to re-establish their bearings. It has been proposed that non-geometric information is incorporated into a geometric frame of reference through the use of spatial language. Support for this assumption comes from dual-task studies in which participants ...
extended abstractintroductiontoday is the world of information and its optimal uses (davies, 2003). information, doubtless, as the most important tools for managers and executive decision-makerscan play a significant role in solving the problems and meeting the needs (warnest, 2005). spatial data are discussed as one of the most sensitive and important factors in decision-making and planning in...
In recent years, rural settlements have undergone changes due to physio-spatial changes. The acceleration of these changes has been so much that many villages have undergone structural and physical changes, or sometimes slowly joined the body of cities. There are different spatial flows between the metropolitans and surrounding settlements. These flows have shaped many of the developments in th...
introduction: in recent years spatial justice has gained special importance among planners and geographers. since the urban public services form the structure, shape and the nature of the physical, social and urban space, inequities in their distribution cause irreversible negative effects on the structure and the nature of city and social segregation of the people, and serious challenges in th...
Introduction: Sentinel lymph node biopsy (SLNB) is a standard surgical technique to identify sentinel lymph node (SLN) for the staging of early breast cancer. Nowadays, two methods are used for the identification of SLN: blue dye method aiding visually and radioactive dye using gamma detector. A wide range of gamma probe systems with different design and performance are used in...
Power as an institution, governance as structure and spatial organization is considered as an organizational tool in the service of the goals and aspirations of the institutions of power and governance structure. In this framework the spatial organization and geographic environment is a result of social organization (social, economic, political), and its natural and ecological system. Human aut...
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